S. Höger, S. Rosselli, A. D. Ramminger, V. Enkelmann
A facile synthesis of large extraannular-functionalized phenyl- ethynyl macrocycles containing m-terphenyl units.
Organic Letters.  4(24), 4269-4272  (2002)
P-02-164

[GRAPHICS] Two large extraannular-functionalized phenyl-ethynyl macrocycles; containing m-terphenyl units are described. The synthesis of the m-terphenyl building blocks is based on the transformation of pyryliurn salts to arenes.